EA200300909A1 - METHOD AND DEVICE FOR EXTRACTING METAL SCRAP FROM A WELLSET - Google Patents

METHOD AND DEVICE FOR EXTRACTING METAL SCRAP FROM A WELLSET

Info

Publication number
EA200300909A1
EA200300909A1 EA200300909A EA200300909A EA200300909A1 EA 200300909 A1 EA200300909 A1 EA 200300909A1 EA 200300909 A EA200300909 A EA 200300909A EA 200300909 A EA200300909 A EA 200300909A EA 200300909 A1 EA200300909 A1 EA 200300909A1
Authority
EA
Eurasian Patent Office
Prior art keywords
magnetic
deposition
zone
magnetic element
area
Prior art date
Application number
EA200300909A
Other languages
Russian (ru)
Other versions
EA005509B1 (en
Inventor
Дэвид Дж. Раттли
Original Assignee
Раттлер Тулз. Инк.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25248345&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EA200300909(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Раттлер Тулз. Инк. filed Critical Раттлер Тулз. Инк.
Publication of EA200300909A1 publication Critical patent/EA200300909A1/en
Publication of EA005509B1 publication Critical patent/EA005509B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/06—Fishing for or freeing objects in boreholes or wells using magnetic means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Processing Of Solid Wastes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

Устройство для извлечения металлического лома из ствола скважины включает множество магнитных узлов, расположенных продольно по длине корпуса (10) инструмента. Каждый магнитный узел имеет магнитный элемент (42), который образует первичную зону (70) осаждения буровой мелочью. Каждый магнитный элемент защищен защитным устройством магнита. Вторичная зона осаждения буровой мелочи образована между магнитным узлом и устройством защиты магнита смежного магнитного элемента для использования остаточной магнитной силы, создаваемой магнитными элементами. При этом вторичная зона осаждения частиц занимает площадь, по меньшей мере в два раза меньшую, чем площадь первичных зон осаждения.Международная заявка была опубликована вместе с отчетом о международном поиске.A device for extracting scrap metal from a well bore includes a plurality of magnetic assemblies arranged longitudinally along the length of the tool body (10). Each magnetic assembly has a magnetic element (42), which forms the primary zone (70) of the deposition of the drilling fines. Each magnetic element is protected by a magnet protection device. The secondary precipitation zone of the drill bit is formed between the magnetic unit and the magnet protection device of the adjacent magnetic element to use the residual magnetic force created by the magnetic elements. At the same time, the secondary particle deposition zone covers an area at least two times smaller than the area of the primary deposition zones. The international application was published together with an international search report.

EA200300909A 2001-04-05 2001-06-15 Method and apparatus for retrieving metal debris from a well bore EA005509B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/827,116 US6491117B2 (en) 1999-10-21 2001-04-05 Apparatus for retrieving metal debris from a well bore
PCT/US2001/019268 WO2002081859A1 (en) 2001-04-05 2001-06-15 An apparatus for retrieving metal debris from a well bore

Publications (2)

Publication Number Publication Date
EA200300909A1 true EA200300909A1 (en) 2004-06-24
EA005509B1 EA005509B1 (en) 2005-02-24

Family

ID=25248345

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200300909A EA005509B1 (en) 2001-04-05 2001-06-15 Method and apparatus for retrieving metal debris from a well bore

Country Status (11)

Country Link
US (1) US6491117B2 (en)
EP (1) EP1373676B1 (en)
AT (1) ATE338879T1 (en)
BR (1) BR0115056A (en)
CA (1) CA2426258C (en)
DE (1) DE60122936T2 (en)
DK (1) DK1373676T3 (en)
EA (1) EA005509B1 (en)
MX (1) MXPA03007544A (en)
NO (1) NO321376B1 (en)
WO (1) WO2002081859A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9912666D0 (en) * 1999-05-29 1999-07-28 Specialised Petroleum Serv Ltd Magnetic well cleaning apparatus
US7137449B2 (en) 2004-06-10 2006-11-21 M-I L.L.C. Magnet arrangement and method for use on a downhole tool
US7219724B2 (en) * 2004-07-15 2007-05-22 Bilco Tools, Inc. Downhole magnetic retrieval tool
US7357183B2 (en) * 2005-09-09 2008-04-15 Venturi Oil Tools Magnetic fishing tool and method
US20070261855A1 (en) * 2006-05-12 2007-11-15 Travis Brunet Wellbore cleaning tool system and method of use
NO327278B1 (en) * 2007-06-26 2009-06-02 Mi Swaco Norge As Magnetic mounting device in a downhole cleaning tool
US7753114B1 (en) 2008-05-01 2010-07-13 Penisson Dennis J Magnetic wellbore cleaning tool
GB0812955D0 (en) 2008-07-16 2008-08-20 Specialised Petroleum Serv Ltd Improved downhole tool
US8336626B2 (en) * 2010-05-18 2012-12-25 Baker Hughes Incorporated Downhole magnetic retrieval devices with fixed magnetic arrays
US8353349B2 (en) * 2010-05-18 2013-01-15 Baker Hughes Incorporated Retaining and isolating mechanisms for magnets in a magnetic cleaning tool
DE102012107147A1 (en) 2012-08-03 2014-02-20 Karl Storz Gmbh & Co. Kg Medical tool
EP2868862A1 (en) 2013-11-05 2015-05-06 Weatherford/Lamb Inc. Magnetic retrieval apparatus and method of construction thereof
US9422781B1 (en) * 2014-10-23 2016-08-23 Lone Star Magnetics, LLC Magnetic tool and method
US11225851B2 (en) 2020-05-26 2022-01-18 Weatherford Technology Holdings, Llc Debris collection tool
US11480032B2 (en) * 2020-03-02 2022-10-25 Weatherford Technology Holdings, Llc Debris collection tool
CN113464101A (en) * 2021-06-22 2021-10-01 中国石油化工股份有限公司 Special magnetic joint for horizontal well clustering perforation pipe string

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965406A (en) * 1960-12-20 Magnetic drill joint
GB1235656A (en) * 1969-01-22 1971-06-16 William Mayall Improvements in or relating to earth drilling apparatus
US5052491A (en) * 1989-12-22 1991-10-01 Mecca Incorporated Of Wyoming Oil tool and method for controlling paraffin deposits in oil flow lines and downhole strings

Also Published As

Publication number Publication date
EA005509B1 (en) 2005-02-24
BR0115056A (en) 2003-11-04
DK1373676T3 (en) 2006-12-11
WO2002081859A1 (en) 2002-10-17
CA2426258C (en) 2007-09-11
US20020057151A1 (en) 2002-05-16
DE60122936D1 (en) 2006-10-19
NO20033989L (en) 2003-09-09
NO20033989D0 (en) 2003-09-09
DE60122936T2 (en) 2007-06-06
ATE338879T1 (en) 2006-09-15
US6491117B2 (en) 2002-12-10
EP1373676A4 (en) 2005-05-04
MXPA03007544A (en) 2003-12-04
EP1373676A1 (en) 2004-01-02
EP1373676B1 (en) 2006-09-06
NO321376B1 (en) 2006-05-02
CA2426258A1 (en) 2002-10-17

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM RU